Projection lamp



FIG. 1 is a first perspective view of a projection lamp showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an exploded view of the projection lamp thereof.

The broken lines shown in the drawings depict portions of the projection lamp that form no part of the claimed design. 

CLAIM The ornamental design for a projection lamp, as shown and described. 